Justus

AI/Bootstrapped/profitable/growing

[Justus @ibuildproduct]

Coding in 2026:
30% planning, 10% vibe coding, 70% code review

[Justus @ibuildproduct]

In San Francisco, every billboard sells AI.
I’m not exaggerating. Nowhere else in the world comes close.

[Justus @ibuildproduct]

@volosatovde Yes, that's how I came up with the idea.

[Justus @ibuildproduct]

ChatGPT can now query your SQL Database.

Search "SQL" in the ChatGPT App store.

[Justus @ibuildproduct]

Like it or not, this is the new normal.

[Justus @ibuildproduct]

🚨 BREAKING:

____ JUST RELEASED ______ AI FUNCTIONALITY! ____ WILL NEVER BE THE SAME

[Justus @ibuildproduct]

To win, you need to be aware of precisely what AI is capable of (and what it's not capable of).

For many tasks, over-estimating AI can be worse than underestimating it, because you end wasting time with slop instead of just doing well yourself.

[Justus @ibuildproduct]

gpt 5.4 already nerfed

[Justus @ibuildproduct]

@marclou

[Justus @ibuildproduct]

Reporting AI replies as spam is my new hobby

[Justus @ibuildproduct]

@levelsio @shehabirl We have Dario at home

[Justus @ibuildproduct]

@JasonBotterill This is what I’ve been saying

[Justus @ibuildproduct]

@_cstoeckl @levelsio @a_klofat @itsolelehmann Open a US entity for my company and get an E2 visa

[Justus @ibuildproduct]

@_cstoeckl @levelsio @a_klofat @itsolelehmann I‘m still undecided. I’ve spent 5 months in NY, SF, and London over the past year to test them out.

Now I’m gonna go to SF for 3 months to get a better feel for it, I was only there for a few weeks last year.

[Justus @ibuildproduct]

@levelsio @a_klofat @_cstoeckl @itsolelehmann Yup just left Berlin in December after 6 years

[Justus @ibuildproduct]

@levelsio @latentsauce Isn’t it in the base context? I.e. Claude.md or agents.md in the folder it is launched from

[Justus @ibuildproduct]

@skipup_AI Such a time saver!

[SkipUp @skipupai]

BREAKING: Your calendar now has an assistant!
There is a better alternative to calendar links now!

https://t.co/p6VhY1z2zU is an ai scheduling assistant that handles complex scheduling for you. Simply CC [email protected] and it runs the conversation for you. Works 24/7 over email and has a 1-minute average response time.

It can also:
- Follow up, confirm, reschedule, and book meetings
- Learn your preferences (buffers, windows, no-go days, etc.)
- Handle time zones
- Multi person scheduling
- Multi-calendar integration
- Connect to your CRM or agent workflows

Give it a shot with our free trial.

How it works🧵

[Justus @ibuildproduct]

@007_Robj @bcherny I’d recommend BlazeSQL for this as it has dedicated database context management and guardrails for reliably querying. You can also plug their MCP server into claude

[Justus @ibuildproduct]

EU regulators when they hear about moltbook.